当眼中进入异物时我们就会流泪——洋葱的气味会薰痛双眼，小昆虫飞进眼角膜也会刺激泪腺。
We produce tears in response to insults to the eyes — the sting of onion fumes, a tiny insect that flew into your cornea.
结论糖尿病导致的泪腺、角膜、结膜等眼组织破坏是糖尿病性眼表病变的病理基础。
Conclusions Diabetes can cause lacrimal gland, corneal and conjunctival tissue damage, which is the pathological foundation of the diabetic ocular surface disease.
光镜下观察泪腺、角膜、结膜组织病理学改变。
Histopathological changes of the lacrimal gland, the cornea and the conjunctiva of rats were analyzed by light microscope.
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